Merge pull request #8 from daschuer/line-length

replace invalid characters from Git diff

tools/line_length.py

@@ -33,7 +33,7 @@ def get_git_added_lines() -> LineGenerator:
     current_file = None
     current_lineno = None
     lines_left = 0
-    for line in str(proc.stdout).splitlines():
+    for line in proc.stdout.decode(errors="replace").splitlines():
         match_file = re.match(r"^\+\+\+ b/(.*)$", line)
         if match_file:
             current_file = match_file.group(1)